Definition of Slag hearth. Meaning of Slag hearth. Synonyms of Slag hearth

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Definition of Slag hearth

Slag hearth
Slag Slag, n. [Sw. slagg, or LG. slacke, whence G. schlacke; originally, perhaps, the splinters struck off from the metal by hammering. See Slay, v. t.] 1. The dross, or recrement, of a metal; also, vitrified cinders. 2. The scoria of a volcano. Slag furnace, or Slag hearth (Metal.), a furnace, or hearth, for extracting lead from slags or poor ore. Slag wool, mineral wool. See under Mineral.

Meaning of Slag hearth from wikipedia

- The general term slag may be a by-product or co-product of smelting (pyrometallurgical) ores and recycled metals depending on the type of material being...
- hole is drilled in the side of the hearth and the raw steel flows out. Once all the steel has been tapped, the slag is skimmed away. The raw steel may...
- inclusion of nitrogen and slag in the liquid steel. These furnaces have a taphole that p****es vertically through the hearth and s****, and is set off-centre...
- using a finery forge or in a Lancashire hearth. The resulting metal was highly variable, both in chemistry and slag content. Puddled iron—the puddling process...
- in an open hearth, the carbon is oxidized and removed from the iron. Liquid slag is formed and removed in this process. The analysis of slag is based on...
- Surplus slag was removed with a shovel between finings, but some was left to help the process. Pig stacked on the bridge at the back of the hearth was then...
- as gases ac****ulated in the oven as slag – effectively a conglomeration of the removed impurities. Since this slag was not the desired product, it was...
- process called "fining" which involved liquifying cast iron in a fining hearth and removing carbon from the molten cast iron through oxidation. Finery...
- materials in the hearth of a blast furnace below the tap hole. The target of the salamander tapping is to remove the remaining hot metal and slag from the blast...
- ore hearth. The air blast was produced by bellows powered by a water wheel. Further buildings were erected in the 1830s, to house a slag hearth furnace...